iwlwifi: fixes RTS / CTS support
This patch fixes the RTS / CTS support in iwlwifi. 5000 will send CTS to
self when allowed by spec, 4965 will send RTS or CTS to self according to
mac80211 request.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 04365b3..e0e43bd 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -642,6 +642,18 @@
data->beacon_count = 0;
}
+static void iwl4965_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
+ __le32 *tx_flags)
+{
+ if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
+ *tx_flags |= TX_CMD_FLG_RTS_MSK;
+ *tx_flags &= ~TX_CMD_FLG_CTS_MSK;
+ } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
+ *tx_flags &= ~TX_CMD_FLG_RTS_MSK;
+ *tx_flags |= TX_CMD_FLG_CTS_MSK;
+ }
+}
+
static void iwl4965_bg_txpower_work(struct work_struct *work)
{
struct iwl_priv *priv = container_of(work, struct iwl_priv,
@@ -2372,6 +2384,7 @@
.build_addsta_hcmd = iwl4965_build_addsta_hcmd,
.chain_noise_reset = iwl4965_chain_noise_reset,
.gain_computation = iwl4965_gain_computation,
+ .rts_tx_cmd_flag = iwl4965_rts_tx_cmd_flag,
};
static struct iwl_lib_ops iwl4965_lib = {